Home / 4,138.40-5,710.36-2,459.77

Finding the Fourth Proportional to 4,138.40, 5,710.36 and 2,459.77

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Solution

The fourth proportional to 4,138.40, 5,710.36 and 2,459.77 is: 3,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.40 : 5,710.36 = 2,459.77 : x
  2. Step 2: Convert to fraction form
    4,138.40/5,710.36 = 2,459.77/x
  3. Step 3: Cross multiply
    4,138.40x = 5,710.36 × 2,459.77
  4. Step 4: Simplify right side
    4,138.40x = 14,046,172.22
  5. Step 5: Solve for x
    x = 14,046,172.22/4,138.40
  6. Step 6: Final answer
    x = 3,394.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.